2040221012 has 6 divisors (see below), whose sum is σ = 3570386778. Its totient is φ = 1020110504.

The previous prime is 2040220999. The next prime is 2040221069. The reversal of 2040221012 is 2101220402.

It can be written as a sum of positive squares in only one way, i.e., 2031845776 + 8375236 = 45076^2 + 2894^2 .

It is a super-3 number, since 3×2040221012³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255027623 + ... + 255027630.

It is an arithmetic number, because the mean of its divisors is an integer number (595064463).

Almost surely, 2^2040221012 is an apocalyptic number.

It is an amenable number.

2040221012 is a deficient number, since it is larger than the sum of its proper divisors (1530165766).

2040221012 is a wasteful number, since it uses less digits than its factorization.

2040221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510055257 (or 510055255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2040221012 is about 45168.8057402451. The cubic root of 2040221012 is about 1268.3109403733.

Adding to 2040221012 its reverse (2101220402), we get a palindrome (4141441414).

It can be divided in two parts, 20402 and 21012, that multiplied together give a palindrome (428686824).

The spelling of 2040221012 in words is "two billion, forty million, two hundred twenty-one thousand, twelve".